Lhoist, Montevallo Plant Air Monitoring Station, Calera, Alabama

Lhoist, Montevallo Plant is an air monitoring station located at 7444 State Hwy 25 in Calera, Shelby County, Alabama, United States. The facility is part of the national air monitoring network and is operated under the oversight of the Alabama Department of Environmental Management (ADEM). As an operational station, it contributes to the assessment of ambient air quality in the region. The station operates within the framework of the U.S. EPA's Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. Monitoring stations like this one are typically equipped with continuous analyzers or manual samplers to measure pollutant concentrations. The data collected supports compliance with the National Ambient Air Quality Standards (NAAQS) and informs public health advisories. Environmental monitoring in Alabama is critical due to the state's industrial base, including manufacturing, mining, and power generation. The Lhoist, Montevallo Plant's location in Shelby County, near Birmingham, allows it to capture air quality impacts from both urban and industrial sources. The station's data helps ADEM track pollution trends and implement control strategies to protect public health and the environment.

The Lhoist, Montevallo Plant monitors ambient air quality in a region influenced by industrial activities, including lime production and other manufacturing. The station's siting is representative of mixed urban-industrial environments, providing data on criteria pollutants that are essential for assessing compliance with NAAQS. Reporting continuity is maintained through ADEM's network, ensuring long-term trend analysis for regulatory decision-making.